Looks like those are just Data Sheets for $0.50, not the parts. I also have problems getting the 8870 from time-to-time. Wonder what happens if you order 100 from BG? Mike snyder wrote: > BG Micro sells DTMF decoders for as low as $ 0.50 / piece, the 8870 are $ > 4.00. > > > > On 8/16/07, Brian B. Riley wrote: > >> A number of people have asked me where I get my DTMF decoder chips I >> have referred to in some of my writings and have demonstrated in my >> presentations. My general answer is ".. wherever and whenever i can >> find them" ... they are, for some reason, scarce. There are >> references all over but few people carry them and mots that do want >> orders in multiples of 1000's ... >> >> To keep this from getting too long. I just scored 50 of the Clare >> MT8870D in 18 pin DIP. They aren't very expensive. I am offering them >> in small quantities as a 'complete kit' (chip, 18 pin socket, color >> burst crystal, three precision resistors and 2 caps) for $5 plus $2 S/ >> H through my website. No bulk sales, limit three kits to a customer. >> >> I have found this to be a rock solid chip. I regularly use these >> over VHF/UHF FM for remote control and they work very well. >> Programming is trivial, loop and test one data_valid bit and then >> read 4 data bits. Basic Stamp, AVR, PIC, Arduino, you name it. The >> DataSheet is available from my website also. >> >> >> >> >> >> --- >> cheers ... 73 de brian riley, n1bq , underhill center, vermont >> Tech Blog >> >> Home of the >> K107 Serial LCD Controller Kit FT817 Power Conditioner Kit >> Tab Robot Laser Tag Kit MSP430 Chips and Connectors >> Propeller Robot Controller SX48 "Tech Board" Kit >> PICAXE Chips, boards, and accessories >> >> >> -- >> http://www.piclist.com PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> >> -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist